Rao, Digumarti Bhaskara <br/><br/>
International encyclopaedia of science and technology education, Vol. 7  popularization of science and technology education 

 - New Delhi  Discovery  2000 
 - [10],334 p. 
<br/><br/><label>ISBN: </label>8171415482 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE
<br/><br/><label>Dewey Class. No.: </label>503  / INT